Facial recognition technology in policing

Three varieties of facial recognition know-how utilized by the police

UK police forces primarily use FRT software program from non-public sector firms together with NEC, Cognitec and Idemia. Police use three varieties of FRT:  

Retrospective Facial Recognition (RFR): RFR is used throughout UK police forces to determine suspects after an incident. Photos of a suspect are collected from sources comparable to CCTV, cell phones and social media. They’re in contrast with reference photographs of identified people within the Police Nationwide Database, which holds over 16.5 million facial information. The RFR system lists essentially the most comparable photographs. Matches are verified by an operator and handed to investigating officers. Reside Facial Recognition (LFR): LFR is utilized by 13 of the 43 police forces in England and Wales, with a nationwide rollout deliberate. LFR makes use of mounted cameras in public areas to seize dwell photographs of passers-by. Scans are in contrast with a ‘watchlist’ from nationwide databases of suspects wished by the police or the courts. If a possible match is discovered, police close to the digicam are notified and determine on a plan of action. If there isn’t any match, photographs are robotically deleted. Police forces are anticipated to inform the general public about their use of LFR until there’s a important and time-sensitive menace.  Operator-Initiated Facial Recognition (OIFR): OIFR is a close to real-time  methodology at present utilized by South Wales and Gwent Police forces and is being trialled by the Metropolitan Police. Cops test somebody’s identification by evaluating their picture with a listing of identified folks utilizing a cellular app. The fundamental function of OIFR is to determine somebody who can’t, or won’t, give their identification. 

Issues

The primary issues about FRT embody the threat of FRT misuse, information safety, intrusion of privateness and inaccurate know-how. Though, the know-how is enhancing quickly, there are issues.

The error charge of LFR has been discovered to improve by as much as 9.3% when used outdoors a testing setting. Components influencing the accuracy of LFR embody crowded locations, poor-quality photographs or partially hid faces.  

FRT extra broadly is much less good at figuring out people from low-quality and distorted photographs, comparable to outdated or low-resolution custody photographs and poor-quality CCTV. Assessments on one FRT utilized by UK police forces in 2025, which discovered that black ladies had been the topic of the very best share (9.9%) of false optimistic identifications

Assessments on a generally used RFR algorithm in 2025 confirmed the next charge of false positives for faces of Black and Asian folks. The RFR know-how was implicated in the wrongful arrest of an Asian man in January 2026. 

What’s the way forward for facial recognition in policing?

In January 2026, the Residence Workplace introduced plans to develop FRT to each regional police power in England and Wales by buying 40 new LFR vans. The federal government says the LFR vans will goal violent and sexual offenders in high-crime areas as a part of its VAWG technique. 

The first everlasting facial recognition cameras had been put in and used with officers current in South London in October 2025, though results from this pilot usually are not but printed.  

Privateness and civil rights campaigners have persistently known as for improved oversight of the know-how.